linux-kernel - Re: workqueue cpu affinity

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Message-ID: <48517493.30305@qualcomm.com>
Date:	Thu, 12 Jun 2008 12:10:11 -0700
From:	Max Krasnyanskiy <maxk@...lcomm.com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	Oleg Nesterov <oleg@...sign.ru>, mingo@...e.hu,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Paul Jackson <pj@....com>, menage@...gle.com,
	linux-kernel@...r.kernel.org, Mark Hounschell <dmarkh@....rr.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: workqueue cpu affinity

Peter Zijlstra wrote:
> Sorry for being late,.. and I'm afraid most will have to wait a bit
> longer :-(
> 
> On Wed, 2008-06-11 at 12:02 -0700, Max Krasnyansky wrote:
>> Peter Zijlstra wrote:
> 
>>> Please don't take this too personal - I'm glad you're working on this.
>>> I'm just trying to see what we can generalize.
> 
>> Oh, no worries, I'm not taking this personally, except maybe the "most your
>> ideas suck" part which got me a little bit ;-). I'm definitely all for making
>> it suitable for more general usage.
>> This is actually first constructive criticism (except for the "most of your
>> ideas suck" part :). 
> 
> No, no, you understand me wrong (or I expressed myself wrong). Your
> ideas are good, its just the implementation / execution I have issues
> with.
> 
> Like with extending the isolation map, what didn't leave any room for
> hard-rt smp schedulers or multiple rt domains. Whereas the cpuset stuff
> does.
Yep. And I redid it completely and switched gears to fix/improve cpusets, 
genirq, etc.
Anyway, I think we're on the same page. Please look over the summary that I 
sent out and see if I missed anything.

Max
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